Eaton NZM3 - Page 99

NZM-XDMI-DPV1
(PROFIBUS-DPV1 Interface for
DMI)
94
11/04 MN01219002Z-EN
Meaning of the data inputs
The read data inputs have the following meaning:
Table 10: Data content of module 2 data inputs
Designation
Meaning
Circuit-breaker
position
01
11
Normal operation of the circuit-breaker
(communication in order)
Circuit-breaker faulty or not present
(communication not present)
Circuit-breaker
state
00
01
10
11
Initialisation running
Circuit-breaker is in the “OFF” state
Circuit-breaker is in the “ON” state
Circuit-breaker is in the “Tripped” state
General warning Is set if a warning or a trip is present from the circuit-
breaker
I
1
to I
3
Current of phases 1 to 3 in amps
I
max
Maximum phase current
Input 0 to 5 State of the digital inputs of the DMI.
Load rejection
prewarning
At least one phase current has exceeded the load warning
limit (I
r
= 70 %)
Not used No information for evaluation
Overload warning At least one phase current has exceeded the overload 1
limit (I
r
= 100 %)
Ready to switch on 1 The circuit-breaker is switched off
(not tripped)
Trip cause
(Release reason)
000
001
010
011
100
101
110
no trip
I
r
I
i
I
sd
I
dn
selectivity, communication fault,
overtemperature hardware fault
neutral pole overcurrent
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